544 



INDEX 



Venus' flower-basket, 60, 450. 

 Venus' fly trap, 481. 

 Venus' girdle, 83, 84. 



Venus gridia, 244. 

 Venus mercenaria, 249. 

 Vermes, 105. 



Vermetus lumbricalis, 235. 



/ 'ermetus, veliger larvae of, 233. 

 Vermiform appendix, 360, 472. 

 Vertebras, 270. 

 Vertebral column, 270. 

 Vertebrata, 270. 

 Vertebrate embryos, 473. 

 Vertical distribution, 444. 

 Vesalius, 497. 



Vesicula seminalis, of dogfish, 277 ; of frog, 

 301. 



Vespertilio subulatus, 397. 

 Vestigial quill, of duck, 329. 

 Vibracula, 129. 

 Viceroy butterfly, 465. 

 Villi, of foetal membranes, 309. 

 Vinegar eel, 120. 



/ 'ipera aspis, 319. 

 Vipers, 319. 

 Vneos, 355. 

 Virginia deer, 383. 

 Virginian opossum, 365, 366. 

 Viscera] ganglia, of Moilusca, 229. 

 Visceral hump, of Cephalopoda, 251. 

 Visceral mass, of Lamellibranchia, 245. 

 Vitelline glands, of Turbellaria, 108. 

 Viviparous Klasmobranchii, 276. 

 Viviparous insects, 196. 

 Viviparous lizards, 313, 314. 

 Viviparous Pulmonata, 239. 

 Viviparous Reptilia, 310. 

 Viviparous salamanders, 303. 

 Viviparous Selachii, 280. 

 Viviparous serpents, 316, 319. 

 Viviparous Teleostei, 287. 

 Viviparous Teleostomi, 283. 

 Voles, 389. 

 Volitional acts, 486. 



Volvox globator, 39. 



Vomerine teeth, of frog, 301. 



Vomer, of frog, 300; of trout, 288. 



Von Baer, 507. 



Von Haller, 500. 



Von Hammen, 498. 



Von Mohl, 507. 



Vortex, 106. 



Vorticella umbellaria, 47, 48. 



Vulpes azanv, 400; V. fulvus, 400; / '. vul- 



pes, 401. 

 Vultures, 345. 



Wagtails, 355. 



Walking leaf, same as leaf insect, 204. 



Walking stick, 204, 464. 



Wallaby, 366. 



Wallace, 508. 



Wallace's line, 453, 454. 



Walruses, 405, 435. 



Wampum, 249. 



Wandering albatross, 349. 



Wapiti, 383. 



Warblers, 355. 



Warm-blooded animals, 326. 



Wart hogs, 380. 



Wasp nest, 225. 



Wasps, 224, 227 ; burying their prey, 488 : 



storing food for young, 484. 

 Water bears, 187. 

 Water beetles, 219. 

 Water cavy, 390. 

 Water dog, 303. 

 Water lizards, 315. 

 Water moccasin, 319. 

 Water opossum, 366. 

 Water pig, 390. 

 Water rattler, 320. 

 Water striders, 210. 

 Water-vascular system, 86. 

 Waxwings, 355. 

 Weasels, 399. 

 Weaver birds, 355. 

 Weevils, 220. 

 Weismann, 477, 509. 

 Weismann's theory, 469. 

 Whalebone whales, 375, 433. 

 Whales, 374, 447. 

 Wheel animalcules, 126. 

 Whelks, 235. 

 Whip-poor-wills, 348. 

 Whip scorpions, 179. 

 White ants, 200, 201, 227. 

 White blood corpuscles, 270. 

 Whitefish, 291. 

 White-pine weevil, 220. 

 White whale, 374. 

 Wild boar, 380. 

 Wild bull, 440. 

 Wild cat, 404, 453. 

 Wild dog, of Australia, 454. 

 Wild dogs, 402. 

 Wild duck, wing, 329. 

 Wild man of the woods, 410. 

 Wild turkey, 349. 

 Windpipe, of Mammalia, 361. 

 Wing coverts, 328. 

 Wings, of bats, 394. 

 Wire worm, 191, 221. 

 Wishbone, 332. 

 Wolff, 500. 

 Wolves, 401. 



bats, 367. 

 Wood ant, 224. 



